Real name: Duy (pronounced as 'Zwee')
a.k.a. Sandmetheeyoy.
💻 CS Sophomore @UMass Amherst.
💼 Open to work!

Full stack developer based in Hanoi. I build AI-integrated applications for the betterment of the future!
Learning and developing things with AI/ML & Cloud/Infra.
Hobbyist game developer with passion for software rendering / low level graphics control.

• Performed segmentation analysis on a 20,000+ user dataset, segmented users into low-engagement, moderate-engagement and high-engagement learners.
• Identified low-engagement users as needing attention in a company-wide marketing campaign for higher user engagement in courses.
• Assisted with coding a large project.

• Directed an intermediate web development class the lead instructor. Taught HTML, CSS and JavaScript to 35 students.
• Developed 75% of the course's slides and lessons, with majority of learners approving of the lectures delivered.
• Aided in delivery of more than 6 student finished projects that incorporated full HTML/CSS/JavaScript knowledge.

• A Tiny domain-specific encoder made for science text predictions (MaskedLM)
• Wrote multiple scripts to collect Open Access popular science data, diversifying model training data.

• A website dedicated to simulating Conway's Game Of Life.
• Wrote an algorithm to simulate the original Game of Life.
• Devised my own transition function and state set to make my own Cellular Automata.

• Built with HTML/CSS/JS, Python, FastAPI and Gemini API.
• A web application allowing users to upload their syllabi and get back an .ics file with a full timetable for learning management
  and a complete system for test reminders.
• Optimized performance by 40%, leading to a 5-10 seconds response time for the website.
• Automated the tedious work of numerous college freshmen by saving much needed study time using AI to plan out their semester.

• Upcoming...

• Built with Python & Pygame Community Edition.
• Large scale tech-demo with fully functional A* pathfinding, squad-organization and team-style combat.
• Optimized A* pathfinding, reworked enemy AI to feature more lightweight, fast and intelligent combat behavior.
• Devised a level editor with grid-tile filling, deletions, entity & decoration placement + a custom sprite editor.

• Built with C & SDL3.
• Small-scale experiment to test texture mapping on arbitrary geometry.
• Features arbitrary geometry, 75% functional portal rendering, 70% functional depth sorting and 60% functional plane collision.
• Collisions and plane math logic supported by custom math and math derived from Jeffrey Thompson.

📧 Email: duydn.0714@gmail.com. ☎️ Phone: +1 (413) 687-7649.